Question

If there are 17 randomly placed dots on a circle,how many lines can you form using any 2 dots?

A) 126 B) 130 C) 136 D) 120

Answer 1

Answer:

C) 136

is right answer your questions

Step-by-step explanation:

Therefore, you multiply 17 by 16 to get 272 lines. However, these lines are counted twice (think about it: let's say you drew a line from Point A to Point D, you could've also drawn a line from Point D to Point A, but the lines are the same, so each line is actually counted twice), so you divide 272 by 2 to get 136.

Answer 2

Answer:

C) 136

Step-by-step explanation:

There actually are simple... There are 17 possible dots to choose from to form a line. After that, there are 16 possible dots to draw a line to. Therefore, you multiply 17 by 16 to get 272 lines.

So answer is option c